private Set<Variable> getProjectedVariables() {
Set<Variable> ret = HashSetFactory.make();
for (ProjectedVariable pv : gatherRealProjectedVariables()) {
ret.add(pv.getVariable());
}
return ret;
}
public void renamePrefixes(
String base, Map<String, String> declared, Map<String, String> internal) {
for (ProjectedVariable pv : projectedVariables) {
if (pv.getExpression() != null) {
pv.getExpression().renamePrefixes(base, declared, internal);
}
}
}
public Set<Variable> gatherIRIBoundProjectedVariables() {
Set<Variable> allVars = new LinkedHashSet<Variable>();
Set<Variable> IRIBoundVars = this.gatherIRIBoundVariables();
List<ProjectedVariable> pvList = selectClause.getProjectedVariables();
if (pvList != null && pvList.size() > 0) {
for (ProjectedVariable pv : pvList) {
if (pv.getExpression() == null && IRIBoundVars.contains(pv.getVariable()))
allVars.add(pv.getVariable());
}
return allVars;
} else {
return graphPattern.gatherIRIBoundVariables();
}
}
public Set<Variable> getVariables() {
List<ProjectedVariable> pvList = gatherRealProjectedVariables();
if (pvList != null && pvList.size() > 0) {
Set<Variable> allVars = new LinkedHashSet<Variable>();
for (ProjectedVariable pv : pvList) {
allVars.add(pv.getVariable());
if (pv.getExpression() != null) {
allVars.addAll(pv.getExpression().gatherVariables());
}
}
return allVars;
} else {
return Collections.emptySet();
}
}
public Set<Variable> gatherProjectedVariables() {
Set<Variable> allVars = new LinkedHashSet<Variable>();
List<ProjectedVariable> pvList = selectClause.getProjectedVariables();
if (pvList != null && pvList.size() > 0) {
for (ProjectedVariable pv : pvList) {
allVars.add(pv.getVariable());
}
return allVars;
} else {
allVars.addAll(Planner.gatherInScopeVariables(graphPattern));
if (graphPattern.getOptionalPatterns() != null) {
for (Pattern op : graphPattern.getOptionalPatterns()) {
allVars.addAll(Planner.gatherInScopeVariables(op));
}
}
return allVars;
}
}